NEXT 3W¡Á2 Mini Digital Audio Amplifier Board DC5V USB Power Supply ARD0581

Key Features Power Supply: DC 3.6v-5.5V, Single lithium battery, USB powered, or four 1.2V batteries, Transformer power supply must be 5V voltage regulator, the chip will burn out if more than 5.5V Output power: 3W +3 W SNR: 90dB Efficiency: >90% Size£º24mmx15.5mm Hole Size: Pitch 20mm, Bore: 2mm Package included: 1xMini Amplifier AMP Board 3W+3W USB Power Supply DC 5V Specifications Material Mixed Material Dimensions (cm) 2.5 x 1.5 x 0.2 Weight (kg) 0.002